diff options
| -rw-r--r-- | src/mesa/drivers/dri/i965/brw_wm_sampler_state.c | 44 | ||||
| -rw-r--r-- | src/mesa/drivers/dri/intel/intel_extensions.c | 1 |
2 files changed, 28 insertions, 17 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_wm_sampler_state.c b/src/mesa/drivers/dri/i965/brw_wm_sampler_state.c index 3fc18ff1f3a..dff466587a8 100644 --- a/src/mesa/drivers/dri/i965/brw_wm_sampler_state.c +++ b/src/mesa/drivers/dri/i965/brw_wm_sampler_state.c @@ -103,6 +103,10 @@ struct wm_sampler_key { GLenum minfilter, magfilter; GLenum comparemode, comparefunc; dri_bo *sdc_bo; + + /** If target is cubemap, take context setting. + */ + GLboolean seamless_cube_map; } sampler[BRW_MAX_TEX_UNIT]; }; @@ -169,30 +173,33 @@ static void brw_update_sampler_state(struct wm_sampler_entry *key, } } - if (key->tex_target == GL_TEXTURE_CUBE_MAP && - (key->minfilter != GL_NEAREST || key->magfilter != GL_NEAREST)) { - /* If we're using anything but nearest sampling for a cube map, we - * need to set this wrap mode to avoid GPU lock-ups. - */ - sampler->ss1.r_wrap_mode = BRW_TEXCOORDMODE_CUBE; - sampler->ss1.s_wrap_mode = BRW_TEXCOORDMODE_CUBE; - sampler->ss1.t_wrap_mode = BRW_TEXCOORDMODE_CUBE; - } - else if (key->tex_target == GL_TEXTURE_1D) { + sampler->ss1.r_wrap_mode = translate_wrap_mode(key->wrap_r); + sampler->ss1.s_wrap_mode = translate_wrap_mode(key->wrap_s); + sampler->ss1.t_wrap_mode = translate_wrap_mode(key->wrap_t); + + /* Cube-maps on 965 and later must use the same wrap mode for all 3 + * coordinate dimensions. Futher, only CUBE and CLAMP are valid. + */ + if (key->tex_target == GL_TEXTURE_CUBE_MAP) { + if (key->seamless_cube_map && + (key->minfilter != GL_NEAREST || key->magfilter != GL_NEAREST)) { + sampler->ss1.r_wrap_mode = BRW_TEXCOORDMODE_CUBE; + sampler->ss1.s_wrap_mode = BRW_TEXCOORDMODE_CUBE; + sampler->ss1.t_wrap_mode = BRW_TEXCOORDMODE_CUBE; + } else { + sampler->ss1.r_wrap_mode = BRW_TEXCOORDMODE_CLAMP; + sampler->ss1.s_wrap_mode = BRW_TEXCOORDMODE_CLAMP; + sampler->ss1.t_wrap_mode = BRW_TEXCOORDMODE_CLAMP; + } + } else if (key->tex_target == GL_TEXTURE_1D) { /* There's a bug in 1D texture sampling - it actually pays * attention to the wrap_t value, though it should not. * Override the wrap_t value here to GL_REPEAT to keep * any nonexistent border pixels from floating in. */ - sampler->ss1.r_wrap_mode = translate_wrap_mode(key->wrap_r); - sampler->ss1.s_wrap_mode = translate_wrap_mode(key->wrap_s); sampler->ss1.t_wrap_mode = BRW_TEXCOORDMODE_WRAP; } - else { - sampler->ss1.r_wrap_mode = translate_wrap_mode(key->wrap_r); - sampler->ss1.s_wrap_mode = translate_wrap_mode(key->wrap_s); - sampler->ss1.t_wrap_mode = translate_wrap_mode(key->wrap_t); - } + /* Set shadow function: */ @@ -249,6 +256,9 @@ brw_wm_sampler_populate_key(struct brw_context *brw, entry->tex_target = texObj->Target; + entry->seamless_cube_map = (texObj->Target == GL_TEXTURE_CUBE_MAP) + ? ctx->Texture.CubeMapSeamless : GL_FALSE; + entry->wrap_r = texObj->WrapR; entry->wrap_s = texObj->WrapS; entry->wrap_t = texObj->WrapT; diff --git a/src/mesa/drivers/dri/intel/intel_extensions.c b/src/mesa/drivers/dri/intel/intel_extensions.c index aa3d704f299..9f90ef0a697 100644 --- a/src/mesa/drivers/dri/intel/intel_extensions.c +++ b/src/mesa/drivers/dri/intel/intel_extensions.c @@ -140,6 +140,7 @@ static const struct dri_extension brw_extensions[] = { { "GL_ARB_framebuffer_object", GL_ARB_framebuffer_object_functions}, { "GL_ARB_occlusion_query", GL_ARB_occlusion_query_functions }, { "GL_ARB_point_sprite", NULL }, + { "GL_ARB_seamless_cube_map", NULL }, { "GL_ARB_shader_objects", GL_ARB_shader_objects_functions }, { "GL_ARB_shading_language_100", GL_VERSION_2_0_functions }, { "GL_ARB_shading_language_120", GL_VERSION_2_1_functions }, |